APA aipamena

Yap, R. (2003). Ratify the Kyoto Protocol. IN Commentary [column]. Philippine Daily Inquirer.

Chicago Style aipamena

Yap, Roberto. "Ratify the Kyoto Protocol. IN Commentary [column]." Philippine Daily Inquirer 2003.

MLA aipamena

Yap, Roberto. "Ratify the Kyoto Protocol. IN Commentary [column]." Philippine Daily Inquirer, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.